<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <title>贪吃蛇</title>
</head>
<body>
    <div id="main">
        <div id="stage">
            <div id="snake">
                <div></div>
            </div>
            <div id="food">
                <div></div>
                <div></div>
                <div></div>
                <div></div>
            </div>
        </div>
        <div id="score-panel">
            <div>
                分数：<span id="score">0</span>
            </div>
            <div>
                等级：<span id="level">1</span>
            </div>
        </div>
    </div>

    <div class="operate">
        <div class="top">
            <button id="top">上</button>
        </div>
        <div class="left_right">
            <button id="left">左</button>
            <button id="right">右</button>
        </div>
        <button id="bottom" class="bottom">下</button>
    </div>
</body>
</html>